What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Just take your flip-a-gram iframe embed code and embed it to your form using the Text Tool. Text is under Form Tools.
<iframe height="640" width="540" frameborder="0" src="//flipagram.com/f/33qCkZFHMD/embed"></iframe>
With regards to your second question, can you open a separate post with this title? "How do I add Images to the Image Slider Widget?" Unfortunately, we can't handle different topics per thread and since you've posted the questions in the title, I have no way to split your thread. Thanks for your understanding.